منابع مشابه
Drilling Damage in Composite Material
The characteristics of carbon fibre reinforced laminates have widened their use from aerospace to domestic appliances, and new possibilities for their usage emerge almost daily. In many of the possible applications, the laminates need to be drilled for assembly purposes. It is known that a drilling process that reduces the drill thrust force can decrease the risk of delamination. In this work, ...
متن کاملAssessment of the level of damage to the genetic material of children exposed to pesticides in the province of Córdoba.
INTRODUCTION In the past decades, several authors have investigated the genotoxicity caused by exposure to chemicals, but there are no reports on studies analyzing such effects on children in Argentina. The objective of this study was to establish the micronucleus frequency in exfoliated buccal mucosa cells in children from urban areas with environmental exposure (through inhalation) and to com...
متن کاملRadiolytic signature of Z-DNA.
Ionizing radiations induce various damages in DNA via the hydroxyl radical OH. generated by the radiolysis of water. We compare here the radiosensitivity of B- and Z-DNA, by using a Z-prone stretch included in a plasmid. In the supercoiled plasmid, the stretch is in the Z-form, whereas it is in the B-form when the plasmid is relaxed. Frank strand breaks (FSB) and alkali-revealed breaks (ARB) we...
متن کاملGenetic regulation of light damage to photoreceptors.
Albino mice of different inbred strains have been exposed to constant fluorescent lighting at an illuminance level of 115-130 ft-c for intervals of 1-6 weeks. Under these conditions the photoreceptors in retinas of albino BALB/cByJ mice rapidly degenerate, whereas the photoreceptors in retinas of albino C57BL/6J-c2J mice are remarkably more resistant to light damage. F1 heterozygotes produced f...
متن کاملGenetic Susceptibility to Hypertensive Renal Damage
To test the hypothesis that genetic factors can determine susceptibility to hypertension-induced renal damage, we derived an experimental animal model in which two genetically different yet histocompatible kidneys are chronically and simultaneously exposed to the same blood pressure profile and metabolic environment within the same host. Kidneys from normotensive Brown Norway rats were transpla...
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ژورنال
عنوان ژورنال: Journal of Chemical Education
سال: 1981
ISSN: 0021-9584,1938-1328
DOI: 10.1021/ed058p135